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Disease-free survival (DFS) and overall survival (OS) in early-stage NSCLC with EGFR mutations.
| Study | Year | Kind of Study | Patients (Total/EGFR) | Stage | DFS | OS |
|---|---|---|---|---|---|---|
| Zhang et al. | 2014 | Meta-analysis | 3337 (n.r.) | I–III | n.s. 1 | n.s. |
| Yang et al. | 2021 | Retrospective | 476 (260) | I–III | n.s. | n.s. |
| Chen et al. | 2021 | Retrospective | 338 (216) | I | n.s. | positive |
| Jao et al. | 2018 | Retrospective | 214 (46) | I–III | Negative | n.s. |
1 n.s.: not significant. n.r.: not reported.
